The Sakura Koi Brush 6 Pen Set – Gray is perfect for artists and illustrators who love working in grayscale. This set includes six expertly curated shades: Dark Cool Gray, Cool Gray, Light Cool Gray, Dark Warm Gray, Warm Gray, and Light Warm Gray—ideal for creating shadows, gradients, and monochromatic illustrations.

Each pen features a flexible nylon brush tip that mimics a traditional paintbrush, allowing for fine, medium, or bold strokes with pressure variation. The water based dye ink is odourless, non toxic, and blendable. Making it suitable for journaling, sketching, rubber stamping, and manga art. Use with a colourless blender pen or Koi Water Brush to create seamless washes and layered effects.

Key Features:

• 6 grayscale tones for shading and sketching
• Flexible brush tips for varied stroke widths
• Water-based dye ink—blendable and odourless
• Ideal for monochromatic art, journaling, and illustration
• Works on smooth, uncoated or watercolour paper